LIST *
builtin_match(
PARSE *parse,
LOL *args,
int *jmp )
{
LIST *l, *r;
LIST *result = 0;
/* For each pattern */
for( l = lol_get( args, 0 ); l; l = l->next )
{
regexp *re = jam_regcomp( l->string );
/* For each string to match against */
for( r = lol_get( args, 1 ); r; r = r->next )
if( jam_regexec( re, r->string ) )
{
int i, top;
/* Find highest parameter */
for( top = NSUBEXP; top-- > 1; )
if( re->startp[top] )
break;
/* And add all parameters up to highest onto list. */
/* Must have parameters to have results! */
for( i = 1; i <= top; i++ )
{
BUFFER buff;
size_t l;
buffer_init( &buff );
l = re->endp[i] - re->startp[i];
buffer_addstring( &buff, re->startp[i], l );
buffer_addchar( &buff, 0 );
result = list_new( result, buffer_ptr( &buff ), 0 );
buffer_free( &buff );
}
}
free( (char *)re );
}
return result;
}
static /* Needs to be global if header caching is on */
#endif
LIST *
headers1(
const char *file,
LIST *hdrscan )
{
FILE *f;
int i;
int rec = 0;
LIST *result = 0;
LISTITEM* pattern;
regexp *re[ MAXINC ];
char buf[ 1024 ];
#ifdef OPT_IMPROVED_PATIENCE_EXT
static int count = 0;
++count;
if ( ((count == 100) || !( count % 1000 )) && DEBUG_MAKE )
printf("*** patience...\n");
#endif
if( !( f = fopen( file, "r" ) ) )
return result;
if ( !regexhash )
regexhash = hashinit( sizeof(regexdata), "regex" );
pattern = list_first(hdrscan);
while( rec < MAXINC && pattern )
{
regexdata data, *d = &data;
data.name = list_value(pattern);
if( !hashcheck( regexhash, (HASHDATA **)&d ) )
{
d->re = jam_regcomp( hdrscan->string );
(void)hashenter( regexhash, (HASHDATA **)&d );
}
re[rec++] = d->re;
pattern = list_next(pattern);
}
while( fgets( buf, sizeof( buf ), f ) )
{
for( i = 0; i < rec; i++ )
if( jam_regexec( re[i], buf ) && re[i]->startp[1] )
{
/* Copy and terminate extracted string. */
char buf2[ MAXSYM ];
int l = re[i]->endp[1] - re[i]->startp[1];
# ifdef DOWNSHIFT_PATHS
const char *target = re[i]->startp[1];
char *p = buf2;
do *p++ = tolower( *target++ );
while( --l );
*p = 0;
#else
memcpy( buf2, re[i]->startp[1], l );
buf2[ l ] = 0;
# endif
result = list_append( result, buf2, 0 );
if( DEBUG_HEADER )
printf( "header found: %s\n", buf2 );
}
}
/* while( rec )
free( (char *)re[--rec] );
*/
fclose( f );
return result;
}
static LIST *headers1helper(
FILE *f,
LIST *hdrscan )
{
int i;
int rec = 0;
LIST *result = 0;
regexp *re[ MAXINC ];
char buf[ 1024 ];
LIST *hdrdownshift;
int dodownshift = 1;
LISTITEM* pattern;
#ifdef OPT_IMPROVED_PATIENCE_EXT
static int count = 0;
++count;
if ( ((count == 100) || !( count % 1000 )) && DEBUG_MAKE )
printf("*** patience...\n");
#endif
hdrdownshift = var_get( "HDRDOWNSHIFT" );
if ( list_first(hdrdownshift) )
{
char const* str = list_value(list_first(hdrdownshift));
dodownshift = strcmp( str, "false" ) != 0 &&
strcmp( str, "0" ) != 0;
}
if ( !regexhash )
regexhash = hashinit( sizeof(regexdata), "regex" );
pattern = list_first(hdrscan);
while( rec < MAXINC && pattern )
{
regexdata data, *d = &data;
data.name = list_value(pattern);
if( !hashcheck( regexhash, (HASHDATA **)&d ) )
{
d->re = jam_regcomp( list_value(pattern) );
(void)hashenter( regexhash, (HASHDATA **)&d );
}
re[rec++] = d->re;
pattern = list_next( pattern );
}
while( fgets( buf, sizeof( buf ), f ) )
{
for( i = 0; i < rec; i++ )
if( jam_regexec( re[i], buf ) && re[i]->startp[1] )
{
/* Copy and terminate extracted string. */
char buf2[ MAXSYM ];
int l = (int)(re[i]->endp[1] - re[i]->startp[1]);
# ifdef DOWNSHIFT_PATHS
if ( dodownshift )
{
const char *target = re[i]->startp[1];
char *p = buf2;
if ( l > 0 )
{
do *p++ = (char)tolower( *target++ );
while( --l );
}
*p = 0;
}
else
# endif
{
memcpy( buf2, re[i]->startp[1], l );
buf2[ l ] = 0;
}
result = list_append( result, buf2, 0 );
if( DEBUG_HEADER )
printf( "header found: %s\n", buf2 );
}
}
return result;
}
LIST *
var_expand(
LIST *prefix,
const char *in,
const char *end,
LOL *lol,
int cancopyin )
{
BUFFER buff;
const char *inp = in;
int depth;
size_t save_buffer_pos, ov_save_buffer_pos;
int literal = 0;
if( DEBUG_VAREXP )
printf( "expand '%.*s'\n", end - in, in );
/* This gets alot of cases: $(<) and $(>) */
if( end - in == 4 && in[0] == '$' && in[1] == leftParen && in[3] == rightParen )
{
switch( in[2] )
{
case '1':
case '<':
return list_copy( prefix, lol_get( lol, 0 ) );
case '2':
case '>':
return list_copy( prefix, lol_get( lol, 1 ) );
}
}
buffer_init( &buff );
/* Just try simple copy of in to out. */
while( in < end ) {
char ch = *in++;
buffer_addchar( &buff, ch );
if( ch == '$' && *in == leftParen )
goto expand;
#ifdef OPT_EXPAND_LITERALS_EXT
if( ch == '@' && *in == leftParen ) {
literal = 1;
goto expand;
}
if( ch == '@' && in[0] == '$' && in[1] == leftParen ) {
++in;
literal = 1;
goto expand;
}
#endif
}
/* No variables expanded - just add copy of input string to list. */
/* Cancopyin is an optimization: if the input was already a list */
/* item, we can use the copystr() to put it on the new list. */
/* Otherwise, we use the slower newstr(). */
buffer_putchar( &buff, 0 );
if( cancopyin ) {
LIST *new_list = list_append( prefix, inp, 1 );
buffer_free( &buff );
return new_list;
}
else {
LIST *new_list = list_append( prefix, buffer_ptr( &buff ), 0 );
buffer_free( &buff );
return new_list;
}
expand:
/*
* Input so far (ignore blanks):
*
* stuff-in-outbuf $(variable) remainder
* ^ ^
* in end
* Output so far:
*
* stuff-in-outbuf $
* ^ ^
* out_buf out
*
*
* We just copied the $ of $(...), so back up one on the output.
* We now find the matching close paren, copying the variable and
* modifiers between the $( and ) temporarily into out_buf, so that
* we can replace :'s with MAGIC_COLON. This is necessary to avoid
* being confused by modifier values that are variables containing
* :'s. Ugly.
*/
depth = 1;
buffer_deltapos( &buff, -1 );
save_buffer_pos = buffer_pos( &buff );
in++;
while( in < end && depth )
{
char ch = *in++;
buffer_addchar( &buff, ch );
if ( ch == leftParen )
{
depth++;
}
else if ( ch == rightParen )
{
depth--;
}
else
{
switch( ch )
{
case ':': buffer_deltapos( &buff, -1 ); buffer_addchar( &buff, MAGIC_COLON ); break;
case '[': buffer_deltapos( &buff, -1 ); buffer_addchar( &buff, MAGIC_LEFT ); break;
case ']': buffer_deltapos( &buff, -1 ); buffer_addchar( &buff, MAGIC_RIGHT ); break;
}
}
}
/* Copied ) - back up. */
buffer_deltapos( &buff, -1 );
ov_save_buffer_pos = buffer_pos( &buff );
buffer_setpos( &buff, save_buffer_pos );
/*
* Input so far (ignore blanks):
*
* stuff-in-outbuf $(variable) remainder
* ^ ^
* in end
* Output so far:
*
* stuff-in-outbuf variable
* ^ ^ ^
* out_buf out ov
*
* Later we will overwrite 'variable' in out_buf, but we'll be
* done with it by then. 'variable' may be a multi-element list,
* so may each value for '$(variable element)', and so may 'remainder'.
* Thus we produce a product of three lists.
*/
{
LIST *variables = 0;
LIST *remainder = 0;
LISTITEM *vars;
/* Recursively expand variable name & rest of input */
if( save_buffer_pos < ov_save_buffer_pos )
variables = var_expand( L0, buffer_posptr( &buff ), buffer_ptr( &buff ) + ov_save_buffer_pos, lol, 0 );
if( in < end )
remainder = var_expand( L0, in, end, lol, 0 );
/* Now produce the result chain */
/* For each variable name */
for( vars = list_first(variables); vars; vars = list_next( vars ) )
{
LIST *value, *evalue = 0;
LISTITEM* valueSliceStart = NULL;
#ifdef OPT_EXPAND_LITERALS_EXT
LIST *origvalue = 0;
#endif
char *colon;
char *bracket;
BUFFER varnamebuff;
int sub1 = 0, sub2 = -1;
VAR_EDITS edits;
memset(&edits, 0, sizeof(VAR_EDITS));
if (leftParen == '{') {
edits.empty.ptr = "";
edits.empty.len = 0;
}
/* Look for a : modifier in the variable name */
/* Must copy into varname so we can modify it */
buffer_init( &varnamebuff );
buffer_addstring( &varnamebuff, list_value(vars), strlen( list_value(vars) ) );
buffer_addchar( &varnamebuff, 0 );
if( ( colon = strchr( buffer_ptr( &varnamebuff ), MAGIC_COLON ) ) )
{
*colon = '\0';
var_edit_parse( colon + 1, &edits );
}
/* Look for [x-y] and [x-] subscripting */
/* sub1 is x (0 default) */
/* sub2 is length (-1 means forever) */
if( ( bracket = strchr( buffer_ptr( &varnamebuff ), MAGIC_LEFT ) ) )
{
char *dash;
if( ( dash = strchr( bracket + 1, '-' ) ) )
*dash = '\0';
sub1 = atoi( bracket + 1 ) - 1;
if( !dash )
sub2 = 1;
else if( !dash[1] || dash[1] == MAGIC_RIGHT )
sub2 = -1;
else
sub2 = atoi( dash + 1 ) - sub1;
*bracket = '\0';
}
/* Get variable value, specially handling $(<), $(>), $(n) */
#ifdef OPT_EXPAND_LITERALS_EXT
if ( !literal )
#endif
{
const char* varname = buffer_ptr( &varnamebuff );
if( varname[0] == '<' && !varname[1] )
value = lol_get( lol, 0 );
else if( varname[0] == '>' && !varname[1] )
value = lol_get( lol, 1 );
else if( varname[0] >= '1' && varname[0] <= '9' && !varname[1] )
value = lol_get( lol, varname[0] - '1' );
else if ( edits.targetsetting ) {
TARGET* t = bindtarget(edits.targetname.ptr);
SETTINGS* settings = quicksettingslookup(t, varname);
if (settings)
value = list_copy(L0, settings->value);
else
value = L0;
} else
value = var_get( varname );
}
#ifdef OPT_EXPAND_LITERALS_EXT
else {
origvalue = value = list_append( L0, buffer_ptr( &varnamebuff ), 0 );
}
#endif
/* The fast path: $(x) - just copy the variable value. */
/* This is only an optimization */
if( buffer_isempty( &buff ) && !bracket && !colon && in == end )
{
prefix = list_copy( prefix, value );
buffer_free( &buff );
continue;
}
/* Handle start subscript */
valueSliceStart = list_first(value);
while(sub1 > 0 && valueSliceStart)
{
sub1 -= 1;
valueSliceStart = list_next(valueSliceStart);
}
/* Empty w/ :E=default? */
if( !valueSliceStart && (colon || leftParen == '{') && edits.empty.ptr ) {
evalue = value = list_append( L0, edits.empty.ptr, 0 );
valueSliceStart = list_first(value);
}
#ifdef OPT_EXPAND_LITERALS_EXT
if ( colon && edits.expandliteral ) {
LOL lol;
char const* string = list_value(list_first(value));
LIST *newvalue = var_expand( L0, string, string + strlen( string ), &lol, 0 );
if ( origvalue ) {
list_free( origvalue );
origvalue = 0;
}
value = newvalue;
valueSliceStart = list_first(value);
sub2 = -1;
}
#endif
#ifdef OPT_EXPAND_FILEGLOB_EXT
if ( edits.wildcard ) {
LIST *newl = L0;
for( ; valueSliceStart; valueSliceStart = list_next( valueSliceStart ) ) {
LIST *foundfiles = L0;
fileglob* glob;
/* Handle end subscript (length actually) */
if( sub2 >= 0 && --sub2 < 0 )
break;
glob = fileglob_Create( list_value(valueSliceStart) );
while ( fileglob_Next( glob ) ) {
foundfiles = list_append( foundfiles, fileglob_FileName( glob ) + edits.wildcard_remove_prepend.len, 0 );
}
fileglob_Destroy( glob );
/* TODO: Efficiency: Just append to newl above? */
newl = list_copy( newl, foundfiles );
list_free( foundfiles );
}
if ( origvalue ) {
list_free( origvalue );
origvalue = 0;
}
value = newl;
origvalue = value;
valueSliceStart = list_first(value);
}
#endif
/* For each variable value */
for( ; valueSliceStart; valueSliceStart = list_next( valueSliceStart ) )
{
LISTITEM *rem;
size_t save_buffer_pos;
size_t end_buffer_pos;
const char *valuestring;
/* Handle end subscript (length actually) */
if( sub2 >= 0 && --sub2 < 0 )
break;
/* Apply : mods, if present */
save_buffer_pos = buffer_pos( &buff );
valuestring = list_value(valueSliceStart);
#ifdef OPT_EXPAND_BINDING_EXT
if( colon && edits.expandbinding ) {
SETTINGS *expandText;
TARGET *t = bindtarget( valuestring );
expandText = quicksettingslookup( t, "EXPAND_TEXT" );
if ( expandText && list_first(expandText->value) ) {
valuestring = list_value(list_first(expandText->value));
} else {
if( t->binding == T_BIND_UNBOUND ) {
t->boundname = search_using_target_settings( t, t->name, &t->time );
t->binding = t->time ? T_BIND_EXISTS : T_BIND_MISSING;
}
valuestring = t->boundname;
}
}
#endif
if( colon && edits.filemods ) {
var_edit_file( valuestring, &buff, &edits );
} else {
buffer_addstring( &buff, valuestring, strlen( valuestring ) + 1 );
}
buffer_setpos( &buff, save_buffer_pos );
if( colon && ( edits.upshift || edits.downshift ) )
var_edit_shift( buffer_posptr( &buff ), &edits );
#ifdef OPT_SLASH_MODIFIERS_EXT
if( colon && ( edits.fslash || edits.bslash ) )
var_edit_slash( buffer_posptr( &buff ), &edits );
#endif
#ifdef OPT_EXPAND_ESCAPE_PATH_EXT
if ( colon && edits.escapepath )
{
const char* ptr = buffer_posptr( &buff );
const char* endptr = ptr + strlen( ptr );
BUFFER escapebuff;
buffer_init( &escapebuff );
save_buffer_pos = buffer_pos( &buff );
#ifdef NT
while ( ptr != endptr && *ptr != ' ' && *ptr != '/' )
++ptr;
if (*ptr == ' ' || *ptr == '/' ) {
buffer_addchar( &escapebuff, '"' );
buffer_addstring( &escapebuff, buffer_posptr( &buff ), endptr - buffer_posptr( &buff ) );
buffer_addchar( &escapebuff, '"' );
buffer_addchar( &escapebuff, 0 );
buffer_addstring( &buff, buffer_ptr( &escapebuff ), buffer_pos( &escapebuff ) );
}
#else
while ( ptr != endptr ) {
if ( *ptr == ' ' || *ptr == '\\' || *ptr == leftParen || *ptr == rightParen || *ptr == '"' ) {
buffer_addchar( &escapebuff, '\\' );
}
buffer_addchar( &escapebuff, *ptr );
++ptr;
}
buffer_addchar( &escapebuff, 0 );
buffer_addstring( &buff, buffer_ptr( &escapebuff ), buffer_pos( &escapebuff ) );
#endif
buffer_setpos( &buff, save_buffer_pos );
buffer_free( &escapebuff );
}
#endif
/* Handle :J=joinval */
/* If we have more values for this var, just */
/* keep appending them (with the join value) */
/* rather than creating separate LIST elements. */
if( colon && edits.join.ptr &&
( list_next( valueSliceStart ) || list_next( vars ) ) )
{
buffer_setpos( &buff, buffer_pos( &buff ) + strlen( buffer_posptr( &buff ) ) );
buffer_addstring( &buff, edits.join.ptr, strlen( edits.join.ptr ) + 1 );
buffer_deltapos( &buff, -1 );
continue;
}
/* If no remainder, append result to output chain. */
if( in == end )
{
prefix = list_append( prefix, buffer_ptr( &buff ), 0 );
continue;
}
/* For each remainder, append the complete string */
/* to the output chain. */
/* Remember the end of the variable expansion so */
/* we can just tack on each instance of 'remainder' */
save_buffer_pos = buffer_pos( &buff );
end_buffer_pos = strlen( buffer_ptr( &buff ) );
buffer_setpos( &buff, end_buffer_pos );
for( rem = list_first(remainder); rem; rem = list_next( rem ) )
{
buffer_addstring( &buff, list_value(rem), strlen( list_value(rem) ) + 1 );
buffer_setpos( &buff, end_buffer_pos );
prefix = list_append( prefix, buffer_ptr( &buff ), 0 );
}
buffer_setpos( &buff, save_buffer_pos );
}
/* Toss used empty */
if( evalue )
list_free( evalue );
#ifdef OPT_EXPAND_LITERALS_EXT
if ( origvalue )
list_free( origvalue );
#endif
#ifdef OPT_EXPAND_INCLUDES_EXCLUDES_EXT
if ( edits.includes_excludes ) {
LIST *newl = L0;
LISTITEM* l;
LIST *origprefix = prefix;
int hasInclude = 0;
if ( !regexhash )
regexhash = hashinit( sizeof(regexdata), "regex" );
{
LISTITEM *inex = list_first(edits.includes_excludes);
while ( inex ) {
char mod = list_value(inex)[0];
inex = list_next( inex );
if ( mod == 'I' ) {
hasInclude = 1;
}
}
}
for (l = list_first(prefix) ; l; l = list_next( l ) )
{
LISTITEM *inex = list_first(edits.includes_excludes);
int remove = hasInclude;
while ( inex ) {
char mod = list_value(inex)[0];
regexp *re;
regexdata data, *d = &data;
inex = list_next( inex );
data.name = list_value(inex);
if( !hashcheck( regexhash, (HASHDATA **)&d ) )
{
d->re = jam_regcomp( list_value(inex) );
(void)hashenter( regexhash, (HASHDATA **)&d );
}
re = d->re;
inex = list_next( inex );
if ( mod == 'X' ) {
if( jam_regexec( re, list_value(l) ) )
remove = 1;
} else if ( mod == 'I' ) {
if( jam_regexec( re, list_value(l) ) )
remove = 0;
}
}
if ( !remove )
newl = list_append( newl, list_value(l), 1 );
}
/* TODO: Efficiency: Just modify prefix? */
list_free( origprefix );
prefix = newl;
}
#endif
//#ifdef OPT_EXPAND_LITERALS_EXT
// buffer_free( &buff );
//#endif
#ifdef OPT_EXPAND_INCLUDES_EXCLUDES_EXT
list_free( edits.includes_excludes );
#endif
}
/* variables & remainder were gifts from var_expand */
/* and must be freed */
list_free( variables );
list_free( remainder );
if( DEBUG_VAREXP )
{
printf( "expanded to " );
list_print( prefix );
printf( "\n" );
}
buffer_free( &buff );
return prefix;
}
}
